おろ
oroka

Expression

1. not to mention ...; needless to say ...; not to speak of ...; not only ...

Usually Written in Kana
わたくし れは つかれすぎていて はしるのはおろか、歩 あるくこともできない、と った。
watashino tsurewa tsukaresugite ite hashiru nowa orokā ruku kotomo dekinaito itta
My companion said that she was too tired to walk, let alone run.
na-Adjective

2. negligent; neglectful; careless; remiss

Archaic
Usually Written in Kana
Related to 疎か【おろそか】